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Answer: Network Load Balancer
Network Load Balancer A Network Load Balancer functions at the fourth layer of the Open Systems Interconnection (OSI) model. It can handle millions of requests per second. After the load balancer receives a connection request, it selects a target from the target group for the default rule. It attempts to open a TCP connection to the selected target on the port specified in the listener configuration. Incoming connections remain unmodified, so application software need not support X-Forwarded-For.
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You are tasked with designing a high-performance application that needs to handle millions of simultaneous connections efficiently. To accomplish this, you have deployed multiple EC2 instances running Apache2 web servers. A critical requirement of your application is to capture the user's source IP address and source port directly, without relying on the X-Forwarded-For header.
Which of the following options will fulfill this requirement?
A
Application Load Balancer
B
Elastic Load Balancer
C
Classic Load Balancer
D
Network Load Balancer